18413306 has 8 divisors (see below), whose sum is σ = 27671220. Its totient is φ = 9189568.

The previous prime is 18413293. The next prime is 18413323. The reversal of 18413306 is 60331481.

It can be written as a sum of positive squares in 2 ways, for example, as 18412681 + 625 = 4291^2 + 25^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151 + ... + 9378.

Almost surely, 2^18413306 is an apocalyptic number.

18413306 is a deficient number, since it is larger than the sum of its proper divisors (9257914).

18413306 is a wasteful number, since it uses less digits than its factorization.

18413306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18413306 is about 4291.0728262289. The cubic root of 18413306 is about 264.0648467119.

Adding to 18413306 its reverse (60331481), we get a palindrome (78744787).

The spelling of 18413306 in words is "eighteen million, four hundred thirteen thousand, three hundred six".